Calculating Square Footage Of A Roof

Measure the ground dimensions of the house using a tape measure and write down these dimensions.

Calculating square footage of a roof.

For instance if the roof is 1550 square feet then it is 16 squares. The sum is the total square feet of the roof. Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material. To find the squares divide the overall roof area by 100 and then round up.

The distance from the outside edge of a perimeter stud wall to the center of the house. A square simply refers to a 10 x 10 square of roofing. The only difference in this calculation to the one for a gable roof area is the amount of the ridge. Multiply the length and width of each square or rectangle shaped plane.

The calculator cannot account for complex shapes based on a measurement of square footage alone. How do you calculate square footage for a roof. Calculate or enter the square footage of the attic or area to be vented. Include dormers the small outjuttings over attic.

This is simply 100 square feet of roof. This involves dividing the square feet by a hundred and the quotient is the roof square. The run always remains constant at 12 inches. The area calculator can be used to calculate the area of a variety of simple shapes that together can comprise the area of the roof.

Multiply the length by the width to arrive at. Calculate the square footage area of a hip roof. Because each 100 square feet of roof is one roofing square divide. Convert the area to roofing squares.

Measure the length and width of every roof plane or surface. The square footage of a hip roof area is identical to the square footage of a gable roof of the same size. If this area was required to determine the quantity of roofing materials required it should be converted from square feet to square. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.

The top ridge will be shorter than the one of the gable roof but the four hips will add. Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. It is not always necessary to climb up the roof to calculate the roof area. Roof pitch is measured by rise run.